| ⇦ | 
| ⇨ |
The correct order of the decreasing ionic radii among the following isoelectronic species are :
Options
(a) Ca²⁺ > K⁺ > S²⁻ > Cl⁻
(b) Cl⁻ > S²⁻ >Ca²⁺ > K⁺
(c) S²⁻ > Cl⁻ >K⁺ >Ca²⁺
(d) K⁺ > Ca²⁺ > Cl⁻ > S²⁻
Correct Answer:
S²⁻ > Cl⁻ >K⁺ >Ca²⁺
Explanation:
Among the isoelectronic species, size increases with the increase in negative charge. Thus S has the highest negative charge and hence largest in size followed by Cl, K and Ca
Related Questions: - Which of the following polymers is hard
- Who modified Bohr’s theory by introducing elliptical orbits for electron path
- An organic compound ‘X’ having molecular formula C₅H₁₀O yields phenyl hydrozone
- Metallic sodium can be stored in
- The compound benzophenone(C₆H₅COC₆H₅) does not reacts with
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following polymers is hard
- Who modified Bohr’s theory by introducing elliptical orbits for electron path
- An organic compound ‘X’ having molecular formula C₅H₁₀O yields phenyl hydrozone
- Metallic sodium can be stored in
- The compound benzophenone(C₆H₅COC₆H₅) does not reacts with
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply